w new ERR_PERFORMANCE_MEASURE_INVALID_OPTIONS(
        'Must not have options.start, options.end, and ' +
        'options.duration specified');
    }
  }

  if (endMark !== undefined) {
    end = getMark(endMark);
  } else if (optionsValid && end !== undefined) {
    end = getMark(end);
  } else if (optionsValid && start !== undefined && duration !== undefined) {
    end = getMark(start) + getMark(duration);
  } else {
    end = now();
  }

  if (typeof startOrMeasureOptions === 'string') {
    start = getMark(startOrMeasureOptions);
  } else if (optionsValid && start !== undefined) {
    start = getMark(start);
  } else if (optionsValid && duration !== undefined && end !== undefined) {
    start = end - getMark(duration);
  } else {
    start = 0;
  }

  duration = end - start;
  return { start, duration };
}

function measure(name, startOrMeasureOptions, endMark) {
  validateString(name, 'name');
  const {
    start,
    duration,
  } = calculateStartDuration(startOrMeasureOptions, endMark);
  let detail = startOrMeasureOptions?.detail;
  detail = detail != null ? structuredClone(detail) : null;
  const measure = new PerformanceMeasure(name, start, duration, detail);
  enqueue(measure);
  return measure;
}

function clearMarkTimings(name) {
  if (name !== undefined) {
    name = `${name}`;
    if (nodeTimingReadOnlyAttributes.has(name))
      throw new ERR_INVALID_ARG_VALUE('name', name);
    markTimings.delete(name);
    return;
  }
  markTimings.clear();
}

module.exports = {
  PerformanceMark,
  PerformanceMeasure,
  clearMarkTimings,
  mark,
  measure,
};